Compilare: main.cpp: In function 'int main()': main.cpp:61:33: warning: 'c' may be used uninitialized [-Wmaybe-uninitialized] 61 | fout<<min1<<" "<<l<<" "<<c<<'\n'; | ^~~~ main.cpp:53:24: note: 'c' was declared here 53 | int min1=INT_MAX,l,c; | ^ main.cpp:61:25: warning: 'l' may be used uninitialized [-Wmaybe-uninitialized] 61 | fout<<min1<<" "<<l<<" "<<c<<'\n'; | ^~~ main.cpp:53:22: note: 'l' was declared here 53 | int min1=INT_MAX,l,c; | ^ main.cpp:52:21: warning: 'y2' may be used uninitialized [-Wmaybe-uninitialized] 52 | BFS(1,x1,y1);BFS(2,x2,y2); | ~~~^~~~~~~~~ main.cpp:37:18: note: 'y2' was declared here 37 | int x1,x2,y1,y2; | ^~ main.cpp:52:8: warning: 'y1' may be used uninitialized [-Wmaybe-uninitialized] 52 | BFS(1,x1,y1);BFS(2,x2,y2); | ~~~^~~~~~~~~ main.cpp:37:15: note: 'y1' was declared here 37 | int x1,x2,y1,y2; | ^~ main.cpp:52:21: warning: 'x2' may be used uninitialized [-Wmaybe-uninitialized] 52 | BFS(1,x1,y1);BFS(2,x2,y2); | ~~~^~~~~~~~~ main.cpp:37:12: note: 'x2' was declared here 37 | int x1,x2,y1,y2; | ^~ main.cpp:52:8: warning: 'x1' may be used uninitialized [-Wmaybe-uninitialized] 52 | BFS(1,x1,y1);BFS(2,x2,y2); | ~~~^~~~~~~~~ main.cpp:37:9: note: 'x1' was declared here 37 | int x1,x2,y1,y2; | ^~